/* qsort example */
#include <stdio.h>
#include <stdlib.h>

int values[] = {40, 10, 100, 90, 20, 25};

int compare(const void *a, const void *b)
{
  return (*(int*)a - *(int*)b);
}

int main()
{
  int n;
  qsort(values, 6, sizeof(int), compare);
  for (n = 0; n < 6; n++)
     printf("%d ", values[n]);
  return 0;
}
